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Oclaro Japan Inc patents (2018 archive)


Recent patent applications related to Oclaro Japan Inc. Oclaro Japan Inc is listed as an Agent/Assignee. Note: Oclaro Japan Inc may have other listings under different names/spellings. We're not affiliated with Oclaro Japan Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Oclaro Japan Inc-related inventors


Submount, optical transmitter module, optical module, optical transmission equipment, and control method therefor

A submount which has a mounting surface on which three or more semiconductor lasers are arranged in a first direction, and includes a heat generator configured to increase the temperatures of the three or more semiconductor lasers, in which, where the heat generator generates heat, a first heat of the heat absorbed by a first semiconductor laser of the three or more semiconductor lasers disposed at one end along the first direction is larger than a second heat of the heat absorbed by a second semiconductor laser of the three or more semiconductor lasers disposed to be adjacent to the first semiconductor laser on the mounting surface.. . ... Oclaro Japan Inc

Optical transmitter module, optical module, optical transmission equipment and method of manufacturing thereof

An optical transmitter module includes optical semiconductor devices including a first optical semiconductor device, a temperature adjustment means for collectively performing temperature adjustment on the optical semiconductor devices, and a first thermal resistor that is disposed between the first optical semiconductor device and the temperature adjustment means, in which, when the temperature adjustment means is driven, the temperature of the first optical semiconductor device is higher than temperatures of other optical semiconductor devices which are different from the first optical semiconductor device.. . ... Oclaro Japan Inc

Optical subassembly, optical module, and optical transmission equipment

To provide an optical subassembly, an optical module, and an optical transmission equipment including simpler components. A first component with an optical semiconductor device mounted thereon that dissipates heat generated by the optical semiconductor device to outside, a second component in contact with the first component to form a box type housing, and a receptacle terminal that optically joined to the optical semiconductor device are provided, wherein the second component includes a window structure for transmitting light transmitted between the optical semiconductor device and the receptacle terminal, and the receptacle terminal is fused and fixed to the outside of the window structure.. ... Oclaro Japan Inc

Optical receiver module and optical module

An optical receiver module includes light-receiving elements each having a first electrode and a second electrode to which a bias is applied, and converting input optical signals into electric signals and outputting the electric signals from the first electrodes, and a carrier having wiring patterns respectively electrically connecting to the light-receiving elements and supporting the light-receiving elements. The wiring pattern includes a first wiring line electrically connecting to the first electrode and a second wiring line electrically connecting to the second electrode. ... Oclaro Japan Inc

Optical module and flexible printed circuit board

A base material includes a pair of end regions located on both sides in a first direction, and an intermediate region located between the pair of end regions. The intermediate region includes a pair of side edges on both sides in a second direction orthogonal to the first direction. ... Oclaro Japan Inc

Print circuit board, optical module, and optical transmission equipment

Provided is a print circuit board including: a ground conductor layer; a pair of strip conductors extending along a first orientation; a first resonator conductor three-dimensionally intersecting with the pair of strip conductors along a second orientation; a pair of first via holes connecting the first resonator conductor and the ground conductor layer; and a dielectric layer including the first resonator conductor therein, and being disposed between the ground conductor layer and the pair of the strip conductors. A distance h1 between the pair of strip conductors and the ground conductor layer is twice or more a distance h2 between the pair of strip conductors and the first resonator conductor, and a line length l of the first resonator conductor is 0.4 wavelength or more and 0.6 wavelength or less at a frequency corresponding to the bit rate.. ... Oclaro Japan Inc

Optical module and optical transmission equipment

There is provided an optical module, including a first optical subassembly, a second optical subassembly, a first flexible printed circuit board, and a second flexible printed circuit board. The first/second optical subassembly includes a first/second normal phase lead terminal and a first/second reverse phase lead terminal, arranged in a positive direction of a first orientation. ... Oclaro Japan Inc

Optical module and transmission equipment

Provided are an optical module and a transmission equipment in which a decrease in yield due to brazing or soldering is suppressed. Provided is an optical module including a semiconductor optical element, a stem, and a wiring substrate. ... Oclaro Japan Inc

Optical module and manufacturing method thereof

In an optical module including an optical axis adjustment mechanism, the reliability of fixation of a movable portion is enhanced while an adhesive to fix the movable portion is prevented from flowing out to an unintended portion. An optical module includes: an element portion; a manipulation lever; a bank including a lever-opposing portion including a step face facing a longitudinal side face of the manipulation lever; a support spring connected at both ends to the element portion and the bank; a reservoir portion surrounded in a bay shape, in a plan view, by the manipulation lever, the element portion, the support spring, and the bank; and an adhesive stored in the reservoir portion and fixing the lever to the substrate. ... Oclaro Japan Inc

Optical transmitter module

In an optical transmitter module for combining three or more optical signals different in intensity with an optical multiplexer to generate a pam signal, the influence of the beat noise and the chromatic dispersion due to the difference in wavelength is reduced. The optical transmitter module includes first through third optical signal sources adapted to output respective optical signals binary intensity modulated with different amplitude from each other, and a combining section. ... Oclaro Japan Inc

Arrayed semiconductor device, optical transmission module, optical module, and method for manufacturing thereof

In the arrayed semiconductor optical device, a plurality of semiconductor optical devices including a first semiconductor optical device and a second semiconductor optical device are monolithically integrated on a semiconductor substrate, each of the semiconductor optical devices includes a first semiconductor layer having a multiple quantum well layer and a grating layer disposed on an upper side of the first semiconductor layer, a layer thickness of the first semiconductor layer of the first semiconductor optical device is thinner than a layer thickness of the first semiconductor layer of the second semiconductor optical device, and a height of the grating layer of the first semiconductor optical device is lower than a height of the grating layer of the second semiconductor optical device corresponding to difference in the layer thickness of the first semiconductor layer.. . ... Oclaro Japan Inc

Optical semiconductor device, optical module, and method for manufacturing optical semiconductor device

Provided is an optical semiconductor device which has long-term reliability since a threshold current is small, and a relaxation oscillation frequency is high. An optical semiconductor device includes an inp semiconductor substrate, a lower mesa structure that is disposed above the inp semiconductor substrate, and includes a multiple quantum well layer, an upper mesa structure that is disposed on the lower mesa structure, and includes a cladding layer, a buried semiconductor layer that buries both side surfaces of the lower mesa structure, and an insulating film that covers both side surfaces of the upper mesa structure by being in contact with both side surfaces of the upper mesa structure, in which the lower mesa structure includes a first semiconductor layer, above the multiple quantum well layer, and the upper mesa structure includes a second semiconductor layer which is different from the cladding layer in composition, below the cladding layer.. ... Oclaro Japan Inc

Optical subassembly and optical module

The optical subassembly includes a photodetector including element terminal groups for light-receiving elements, and an electric signal controller including ic terminal groups, wherein any one of the element terminal group and the ic terminal group has a two-terminal configuration, and the other one has a three-terminal configuration, wherein, in a case where terminal groups at both ends where center positions thereof are disposed on the inner side together and have the two-terminal configuration, the first connection terminals are disposed on the outer side than a second connection terminals in the two-terminal configuration, and in a case where terminal groups at both ends where center positions thereof are on the outer side together and have the two-terminal configuration, a first connection terminal in the two-terminal configuration is disposed on the inner side than the second connection terminal.. . ... Oclaro Japan Inc

Optical module and transmission device

The optical module includes a housing having a first opening for inputting or outputting a first electric signal, a second opening for inputting or outputting a second electric signal, and an optical signal port, one or more substrates disposed in the housing, to/from which the first electric signal is input/output and to/from which the second electric signal is input/output, an optical subassembly disposed in the housing and optically connected to the optical signal port, and a control circuit disposed in the housing and mounted on the substrate for controlling the optical subassembly, wherein the first electric signal is an electric signal input to or output from the optical subassembly, the second electric signal is an electric signal input to or output from the control circuit, and the second opening is provided on one side different from other side of the housing on which the first opening is provided.. . ... Oclaro Japan Inc

02/15/18 / #20180048116

Semiconductor optical device, optical module, and method for manufacturing semiconductor optical device

A semiconductor optical device includes: a first conductive type semiconductor layer; an active layer; a second conductive type semiconductor layer including a ridge portion; a pair of first grooves, formed on bottom surfaces of both sides of the ridge portion and dividing the active layer; an optical functioning part including the first and second conductive type semiconductor layers, converting a state of light, and having a height higher than a height of the bottom surface of the ridge portion; and a second groove, at least a part thereof being formed on the optical functioning part, an end portion thereof being connected to the first groove, the second conductive type semiconductor layer being divided, and the maximum height of an inner wall surface thereof being higher than the maximum height of an inner wall surface of the first groove.. . ... Oclaro Japan Inc

02/01/18 / #20180034549

Optical transceiver, optical transmitter ic, and optical receiver ic

Provided are an optical transceiver, an optical transmitter ic, and an optical receiver ic, which can be applied to both a case of coding an optical signal and a case of decoding an optical signal, and can suppress an influence of waveform degradation with an inexpensive circuit. The optical transceiver includes an optical transmitter, an optical receiver, and at least any one of: a first delay circuit included in the optical transmitter and configured to delay an input first multi-level digital signal by a delay time corresponding to an amplitude level of the first multi-level digital signal; and a second delay circuit included in the optical receiver and configured to delay an input second multi-level digital signal by a delay time corresponding to an amplitude level of the second multi-level digital signal.. ... Oclaro Japan Inc

01/11/18 / #20180011266

Optical module

The invention provides an optical module which is less likely to be damaged, and can be assembled at low cost. The optical module comprises a housing having an electrical signal port for inputting and/or outputting an electrical signal and an optical signal port for inputting and/or outputting an optical signal, a first substrate arranged in the housing so as to connect to the electrical signal port, an optical fiber arranged in the housing so as to connect to the optical signal port, and a second substrate provided with an optical device which connects to the optical fiber to input the optical signal from the optical fiber and output the optical signal to the optical fiber, and arranged in the housing so as to electrically connect to the first substrate, and to be inclined with respect to a base plane of the housing.. ... Oclaro Japan Inc








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